Corrugated coextruded foamed polycarbonate sheet and a...

Details Corrugated coextruded foamed polycarbonate sheet and a... Corrugated coextruded foamed polycarbonate sheet and a...

B - Operations, Transporting

32

B

B32B 3/26 (2006.01) B29D 7/00 (2006.01)

Patent

CA 2339264

A rigid polycarbonate sheet for use as an outdoor building material is formed of a layer of foamed polycarbonate (12) and a co-extruded skin layer of UV protective polycarbonate (14). A system for the production of such a polycarbonate sheet includes an extruder, a co-extruder, an extrusion die, and a thermoformer.

La présente invention concerne une tôle rigide en polycarbonate conçue pour servir de matériau de construction extérieur. Cette tôle est faite d'une couche de mousse de polycarbonate (12) co-extrudée avec une peau de polycarbonate anti-UV (14). L'invention concerne également un système de production d'une telle tôle de polycarbonates. Ce système est composé d'une extrudeuse, d'une co-extrudeuse, d'une filière d'extrusion, et d'une thermoformeuse.

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